Air quality monitor



FIG. 1 shows a top view of an air quality monitor,

FIG. 2 is a below view of the air quality monitor of FIG. 1 ,

FIG. 3 is a first end view of the air quality monitor of FIG. 1 ,

FIG. 4 is a second end view of the air quality monitor of FIG. 1 ,

FIG. 5 is a side view of the air quality monitor of FIG. 1 , the other side of the air quality monitor is a mirror image,

FIG. 6 is a perspective view from the second end of the air quality monitor of FIG. 1 ; and,

FIG. 7 is a perspective view from the first end of the air quality monitor of FIG. 1 . 

CLAIM The ornamental design for an air quality monitor, as shown and described. 